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OTHER ITEMS IMPACTING COMPARABILITY (Details) - USD ($)
$ in Thousands
3 Months Ended
Oct. 01, 2017
Mar. 31, 2018
Mar. 31, 2017
Other Income and Expenses [Abstract]      
Goodwill impairment $ 0 $ 15,513 $ 0
Acquisition transaction costs   575 0
Tax Reform-related adjustments, net   (804) 0
Restructuring and other, net   510 0
Operating tax adjustment   0 2,205
Restructuring and other items, net   $ 15,794 $ 2,205